[ale] Linux 2.2.19 IPCHAINS Firewall + FTP woes

[Thomas Holmquist]

No, the only time you need to open up more than one port is when your 
doing passive FTP, and even then you can tell the FTP daemon to only use 
a small range of ports, so setting a DMZ on your router is not needed

Dow Hurst wrote:

> Switch to scp.  Don't use ftp to connect to a machine inside your 
> firewall from the Internet.  You need a DMZ or exposed server to 
> provide ftp services.
> Dow
>
>
> Nathan J. Underwood wrote:
>
>> An associate has a linux firewall running RH Linux (kernel 2.2.19), 
>> ipchains
>> 1.3.9 to protect a small firm (~5 users).  This has worked well in 
>> the past, but
>> now he needs to put a FTP server behind it (currently has webserver, 
>> and mail
>> server behind it).  It's been a very long time since I've worked with 
>> the 2.2.x
>> kernel, and an ipchains firewall for that matter, but I definately 
>> remember
>> losing some hair over trying to get FTP to work from behind it.  We 
>> can get to
>> the box, and log into the FTP server, but we are unable to get a 
>> directory
>> listing.  I have verified that ip_masq_ftp is loaded, but lsmod 
>> reports that
>> it's unused (see below).  Any ideas?  What am I missing?  Many thanks
>>
>> lsmod
>> Module                  Size  Used by
>> ip_masq_ftp             3740   0  (unused)
>> ip_masq_portfw          2656  48
>>
>>
>>  
>>
>


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